In what comes as the best news for Apple in Japan since the nation’s largest carrier announced plans to cover the iPhone earlier this year, NTT DOCOMO announced yesterday that iPad Air and iPad mini with Retina display will be available on the DOCOMO network beginning on Tuesday, June 10.

“With the addition of iPad alongside iPhone, we now offer the complete lineup of Japan’s most popular mobile devices on the nation’s most reliable LTE network,” said Kaoru Kato, President and CEO of NTT DOCOMO, INC. “We know our customers will enjoy using iPad Air and iPad mini, and anticipate that new customers will look to experience these amazing devices on our high-quality network with our new billing plan.”

We’re told that DOCOMO’s iPad Air and iPad mini with Retina display users will be able to enjoy the company’s nationwide Xi LTE communications service with the new billing plan which enables data quota sharing among family members and corporate users.

Beginning June 2, customers can pre-register for iPad Air and iPad mini with Retina display at DOCOMO dealers and DOCOMO’s website.

“We are extremely happy for iPad to join iPhone on NTT DOCOMO’s network,” said Tim Cook, Apple’s CEO, in a written statement. “The results on iPhone have been tremendous, and we look forward to delivering iPad to NTT DOCOMO customers.”